(image) Chest x-ray AP view with air fluid level at C5-6 pushing the trachea to the left and stomach shadow is seen.. zenker diverticulum

 (image) Chest x-ray AP view with air fluid level at C5-6 pushing the trachea to the left and stomach shadow is seen:
- zenker diverticulum .(true)
- achalasia.
- Normal chest xray.